package com.company.shop.servlet;

import java.io.IOException;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.company.shop.dao.IUserDAO;
import com.company.shop.dao.UserDAOImpl;
import com.company.shop.pojo.User;

@WebServlet("/loginchk")
public class LoginCheckServlet extends HttpServlet 
{
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		
		// HttpServletRequest req 
		// Tomcat自动创建的对象，会把用户的请求信息放入
		
//		HttpServletResponse resp
		// Tomcat自动创建的对象, 通过它给用户发信息
		
		// 1. 获取用户提交的参数
		String username = req.getParameter("username");
		String password = req.getParameter("password");
		
		
		// 2. 判断
		// 3. 显示结果
//		if("zhangsan".equals(username)&&"123456".equals(password))
//		{
//			resp.getWriter().print("Login OK");
//		}
//		else
//		{
//			resp.getWriter().print("Login fail");
//		}
		IUserDAO dao = new UserDAOImpl();
		User u;
		try {
			u = dao.login(username, password);
			if(u!=null)
			{
				resp.getWriter().print("Login OK");
			}
			else
			{
				resp.getWriter().print("Login fail");
			}
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		

		
		
	}
	

}